7 segment 4 Bits Digital Tube LED Display control in Matlab with arduino
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I am not able to display anything on my 7 segment 4 Bits Digital Tube LED Display which is an I2C device.
I am working with the code given below-
a=arduino('com4','Uno','Libraries','I2C')
a =
arduino with properties:
Port: 'COM4'
Board: 'Uno'
AvailablePins: {'D2-D13', 'A0-A5'}
AvailableDigitalPins: {'D2-D13', 'A0-A5'}
AvailablePWMPins: {'D3', 'D5-D6', 'D9-D11'}
AvailableAnalogPins: {'A0-A5'}
AvailableI2CBusIDs: [0]
Libraries: {'I2C'}
scanI2CBus(a)
ans =
112×1 cell array
{'0x08'}
{'0x09'}
{'0x0A'}
{'0x0B'}
{'0x0C'}
{'0x0D'}
{'0x0E'}
{'0x0F'}
{'0x10'}
{'0x11'}
{'0x12'}
{'0x13'}
{'0x14'}
{'0x15'}
{'0x16'}
{'0x17'}
{'0x18'}
{'0x19'}
{'0x1A'}
{'0x1B'}
{'0x1C'}
{'0x1D'}
{'0x1E'}
{'0x1F'}
{'0x20'}
{'0x21'}
{'0x22'}
{'0x23'}
{'0x24'}
{'0x25'}
{'0x26'}
{'0x27'}
{'0x28'}
{'0x29'}
{'0x2A'}
{'0x2B'}
{'0x2C'}
{'0x2D'}
{'0x2E'}
{'0x2F'}
{'0x30'}
{'0x31'}
{'0x32'}
{'0x33'}
{'0x34'}
{'0x35'}
{'0x36'}
{'0x37'}
{'0x38'}
{'0x39'}
{'0x3A'}
{'0x3B'}
{'0x3C'}
{'0x3D'}
{'0x3E'}
{'0x3F'}
{'0x40'}
{'0x41'}
{'0x42'}
{'0x43'}
{'0x44'}
{'0x45'}
{'0x46'}
{'0x47'}
{'0x48'}
{'0x49'}
{'0x4A'}
{'0x4B'}
{'0x4C'}
{'0x4D'}
{'0x4E'}
{'0x4F'}
{'0x50'}
{'0x51'}
{'0x52'}
{'0x53'}
{'0x54'}
{'0x55'}
{'0x56'}
{'0x57'}
{'0x58'}
{'0x59'}
{'0x5A'}
{'0x5B'}
{'0x5C'}
{'0x5D'}
{'0x5E'}
{'0x5F'}
{'0x60'}
{'0x61'}
{'0x62'}
{'0x63'}
{'0x64'}
{'0x65'}
{'0x66'}
{'0x67'}
{'0x68'}
{'0x69'}
{'0x6A'}
{'0x6B'}
{'0x6C'}
{'0x6D'}
{'0x6E'}
{'0x6F'}
{'0x70'}
{'0x71'}
{'0x72'}
{'0x73'}
{'0x74'}
{'0x75'}
{'0x76'}
{'0x77'}
>> d = device(a, 'I2CAddress','0x77')
d =
device with properties:
Interface: 'I2C'
I2CAddress: 119 ('0x77')
Bus: 0
SCLPin: 'A5'
SDAPin: 'A4'
BitRate: 100000 (bits/s)
write(d,7)
This does nothing...
what can I do to make it work.
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